#include <my_header.h>

void showRevertNum(int num){
     while (num >0){
        printf("%d", num % 10);
        num = num / 10;
     }
     printf("\n");
}

int main(void){
     int num;
     printf("Please input a number :");
     scanf("%d", &num);
     printf("After revert : ");
     showRevertNum(num);
     return 0;
}
